Waste control in South African construction projects
It is imperative that construction waste be controlled and managed effectively to reduce the negative impacts on the environment. There are various factors that cause waste, so this study aimed to determine these, and to …
اقرأ أكثر
CONSTRUCTION AND DEMOLITION WASTE IN SOUTH AFRICA | Sustainable Waste
How Construction And Demolition Waste Is Categorized. Uses Of Recycled Aggregate. Environmental Problems In The Recycling Of Concrete. Some Advantages Of Recycling. Types Of Crushing Plants Used For Recycling. South Africa's Situation. Barriers To Recycling Construction And Demolition Waste. Proposed Government Incentives. Properties …
اقرأ أكثر
Tips for recycling construction waste in Africa
Recycling construction waste in Africa is the only way of boosting profitability in African construction industry. Construction waste in Africa is rarely accounted for. On the …
اقرأ أكثر
How Eco-Friendly And Sustainable Construction Is …
Using Recycled Materials In Construction. Africa's construction industry is increasingly looking at innovative and sustainable building methods to help conserve energy, ... Today, there is an increased focus on using recycled …
اقرأ أكثر
15 architectural projects made out of recycled materials
Recycling as a concept has been around for quite some time, mostly at a micro-scale where individuals reduce waste and preserve energy. In architecture, recycled and reused materials are slowly becoming attractive alternatives to conventional building materials. When sourced appropriately, they turn out as a financially resourceful solution!
اقرأ أكثر
(PDF) Manufacturing of building materials using …
Incorporating agricultural waste is a viable way to develop more cost-effective and sustainable building materials with no cement content, resulting in a 5% global emission cut and a low-carbon ...
اقرأ أكثر
Construction Waste is Costly: What's Causing it on South African
This has made it harder for construction managers to manage waste effectively. Also, building waste is difficult to recycle and reuse. A lot is contaminated – for example when wet concrete or mortar is dumped on other waste materials. In South Africa, between 5 million and 8 million tonnes of construction waste is generated annually.
اقرأ أكثر
Manufacturing of building materials using agricultural waste …
Approximately 7 million tonnes in South Africa are produced annually (Davidson et al. Citation 2006). The sugar industry frequently uses bagasse as fuel, which produces sugarcane bagasse ash when burnt at high temperatures. ... Incorporating this waste into construction materials such as bricks, interlocking, and concretes will help reduce ...
اقرأ أكثر
The road to sustainability: The use of waste materials …
The CSIR has recently been involved in several new research initiatives geared towards providing alternative waste material products, specifically to be used by the asphalt pavement industry in South Africa.
اقرأ أكثر
An estimate of construction and demolition waste quantities and
The first method used to estimate C&D waste in South Africa involves a material lifetime analysis based on the current production quantities of key construction materials and their typical stock life. The research described by Cochran and Townsend 6 was adapted to produce this estimate.
اقرأ أكثر
(PDF) Sustainable soil stabilization: the use of waste …
In the present study, the compaction and strength characteristics of stabilized soil was studied by using various waste materials i.e. lime, cement, plastic waste, industrial waste, fibre ...
اقرأ أكثر
Review of South African Waste Management Practices and Their
Construction and demolition waste (CDW) is defined as non-hazardous waste produced during the construction, repair and rehabilitation, or demolition of infrastructure. While only 19% of the CDW produced in South Africa has been reported to be diverted annually,...
اقرأ أكثر
Managing construction waste an industry imperative
The construction industry is a key player in helping South Africa achieve net zero gas emissions by 2050. But while green building design and the of use sustainable materials are integral to achieving this objective, the issue …
اقرأ أكثر
Waste Plastic to Roads – HDPE-modified Bitumen and PET …
The review encompasses a wide range of topics, including the environmental and socio-economic impacts of plastic waste, the current state of plastic waste management practices in South Africa, and the potential use of waste plastic in road construction.
اقرأ أكثر
GUIDELINE FOR INTEGRATED MANAGEMENT OF …
Wood, concrete, bricks, metals, glass and even paint offer several options for recycling. There are three basic steps for construction waste management, i.e. Reduce, Reuse, and Recycle. …
اقرأ أكثر
An Assessment of Material Waste Disposal Methods in the …
Despite various waste minimisation and sustainable disposal options that are available, construction material waste is still increasing in Nigeria, while disposal remains a major issue for firms and government. ... South Africa, 2010. [Google Scholar] Ekanayake, L.L.; Ofori, G. Construction material waste source evaluation. In Proceedings of ...
اقرأ أكثر
A principal component analysis of sustainable building construction
The number of green and sustainable buildings in South Africa's building stock is minimal, as is their contribution to the country's construction market (Simpeh et al., 2023). ... 2.2.7 Usage of waste in making construction materials. Agro-waste materials have been discovered to be beneficial in making construction materials. For example, ...
اقرأ أكثر
Break the upcycle: waste as a building material
The use of timber pallets as a loom on to which different cladding can be woven is a technique that is also found in projects located in the Walmer township: the Walmer Crèche and the Lim'uphile Co-op. Designed by Collectif Saga co-founder Simon Galland with LYT Architecture, Poise Consulting Engineers and non-profit-organisation (NPO) Walmer Angel, …
اقرأ أكثر
Construction Waste is Costly: What's Causing it on South African
In South Africa, between 5 million and 8 million tonnes of construction waste is generated annually. Only a small fraction is reused or recycled. The result is that a large amount of waste …
اقرأ أكثر
An estimate of construction and demolition waste
Construction and demolition (C&D) waste is generated from the construction, renovation, repair and demolition of structures such as houses and roads. Construction waste consists of unused materials or other waste generated during construction activity and is a small but variable fraction of the total material used.1 Demolition waste is
اقرأ أكثر
APPENDIX D: CONSTRUCTION WASTE GUIDELINE
The Waste Management Plan Procedure provides guidelines for waste management and applicable to employees, sub-contractors working on behalf of the Developer.
اقرأ أكثر
Understanding the Causes of Material Wastage in the Construction Industry
Recent studies have recognized material waste from construction projects as a serious problem for both economies and the environment. This research aims to identify the major causes of material ...
اقرأ أكثر
South African construction and demolition waste procedure and …
The results derived by this study depicted an explainable variation occurring in the cost overrun of a building construction project by the level of material waste generated on site to the maximum ...
اقرأ أكثر
Construction waste is costly
Also, building waste is difficult to recycle and reuse. A lot is contaminated – for example when wet concrete or mortar is dumped on other waste materials. In South Africa between 5 million and ...
اقرأ أكثر
Waste material used in roads construction
The Council for Scientific and Industrial Research (CSIR) has been involved in several new research initiatives geared towards providing alternative waste material products for use by the road ...
اقرأ أكثر
9 Common Types Of Construction Waste Explained
Wood chips can be used for biofuel. Reclaimed timber can be used as raw material for other construction projects. Drywall Waste. Drywall is a popular material for building walls and ceilings inside. Construction and demolition projects often generate substantial amounts of drywall waste. Recycling drywall waste is important.
اقرأ أكثر
An estimate of construction and demolition waste quantities and
The consumption of construction materials in the US and typical waste factors used for construction materials purchasing were used to estimate the mass of solid waste generated as a result of ...
اقرأ أكثر
THE USE OF PLASTIC WASTE IN ROAD …
The objectives of the study were to screen, evaluate and implement existing international technologies in line with South African design standards and specifications for materials in road construction. The main research question …
اقرأ أكثر
What A Waste: Innovations In Africa's Waste Material …
In addition, certain municipal waste streams such as organic waste, construction and demolition waste, and paper and packaging waste can provide immediate prospects for pursuing value recovery instead of landfill propositions.
اقرأ أكثر
Recycling waste rubber tyres in construction materials and …
The applications of waste rubber in construction materials includes cementitious concrete, asphalt concrete, and granular materials for earth structures. Crumb rubber, when used as a sand replacement in flowable concrete fill, improved ductility and strength-to-weight ratio. A 40 MPa concrete mix with 0.6% rubber crumb content exhibited optimal ...
اقرأ أكثر